# Copyright (c) Dec 22, 2014 CareerMonk Publications and others.
# E-Mail           		: info@careermonk.com 
# Creation Date    		: 2014-01-10 06:15:46 
# Last modification		: 2008-10-31 
#               by		: Narasimha Karumanchi 
# Book Title			: Data Structures And Algorithmic Thinking With Python
# Warranty         		: This software is provided "as is" without any 
# 				   warranty; without even the implied warranty of 
# 				    merchantability or fitness for a particular purpose. 

def MirrorOfBinaryTree(root):
	if(root != None):
		MirrorOfBinaryTree(root.left)
		MirrorOfBinaryTree(root.right)

		# swap the pointers in this node
		temp = root.left
		root.left = root.right
		root.right = temp
	
	return root
